These nodes are areas where the action potential is amplified using a high density of sodium ( Na < big >+</ big >) ions and is subsequently passed along the axon.

* Eno-NaHCO < sub > 3 </ sub >, Citric acid, Na < sub > 2 </ sub > CO < sub > 3 </ sub >

If ADH production is excessive in heart failure, Na < sup >+</ sup > level in the plasma may fall ( hyponatremia ), and this is a sign of increased risk of death in heart failure patients.

Amblygonite is a fluorophosphate mineral, ( Li, Na ) AlPO < sub > 4 </ sub >( F, OH ), composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide.

Positively charged cations ( e. g. sodium cation Na < sup >+</ sup >) and negatively charged anions ( e. g. chloride Cl < sup >−</ sup >) can form a crystalline lattice of neutral salts ( e. g. sodium chloride NaCl ).

For example, if an electric field is placed across a solution of Na < sup >+</ sup > and Cl < sup >−</ sup > ( and conditions are right ) the sodium ions move towards the negative electrode ( cathode ), while the chloride ions move towards the positive electrode ( anode ).

This results in constitutive cAMP production, which in turn leads to secretion of H < sub > 2 </ sub > O, Na < sup >+</ sup >, K < sup >+</ sup >, Cl < sup >−</ sup >, and HCO < sub > 3 </ sub >< sup >−</ sup > into the lumen of the small intestine and rapid dehydration.

Alkali metals, alkaline earth metals, and lanthanoid metals form acetylides, e. g., sodium carbide Na < sub > 2 </ sub > C < sub > 2 </ sub >, calcium carbide CaC < sub > 2 </ sub >, and LaC < sub > 2 </ sub >.

Direct or substantive dyeing is normally carried out in a neutral or slightly alkaline dyebath, at or near boiling point, with the addition of either sodium chloride ( NaCl ) or sodium sulfate ( Na < sub > 2 </ sub > SO < sub > 4 </ sub >) or sodium carbonate ( Na < sub > 2 </ sub > CO < sub > 3 </ sub >).

;< sup > 248 </ sup > Cm (< sup > 23 </ sup > Na, xn )< sup > 271-x </ sup > Bh ( x = 4, 5 )

In the early 1980s, the concentration of ionic species ( in g / kg ) of Dead Sea surface water was Cl < sup >−</ sup > ( 181. 4 ), Br < sup >−</ sup > ( 4. 2 ), SO < sub > 4 </ sub >< sup > 2 −</ sup > ( 0. 4 ), HCO < sub > 3 </ sub >< sup >−</ sup > ( 0. 2 ), Ca < sup > 2 +</ sup > ( 14. 1 ), Na < sup >+</ sup > ( 32. 5 ), K < sup >+</ sup > ( 6. 2 ) and Mg < sup > 2 +</ sup > ( 35. 2 ).

Glucosuria causes a loss of hypotonic water and Na < sup >+</ sup > leading to a hypertonic state with signs of volume depletion such as: dry mucosa, hypotension, tachycardia, and decreased turgor of the skin.

: 14 H < sup >+</ sup >( aq ) + 2 Mn < sup > 2 +</ sup >( aq ) + 5 NaBiO < sub > 3 </ sub >( s ) → 7 H < sub > 2 </ sub > O ( l ) + 2 MnO < sub > 4 </ sub >< sup >–</ sup >( aq ) + 5 Bi < sup > 3 +</ sup >( aq ) + 5 Na < sup >+</ sup >( aq )

: Cathode ( reduction ): 2 Na < sup >+</ sup >( l ) + 2 e < sup >–</ sup > → 2 Na ( l )

: Overall reaction: 2 Na < sup >+</ sup > + 2 Cl < sup >–</ sup >( l ) → 2 Na ( l ) + Cl < sub > 2 </ sub >( g )

On the other hand, sodium chloride in water dissociates in Na < sup >+</ sup > and Cl < sup >–</ sup > ions, cation, which is the positive ion, will be attracted to the cathode (+), thus reducing the sodium ion.

Cathode: Na < sup >+</ sup >( aq ) + e < sup >–</ sup > → Na ( s ) E °< sub > red </ sub >

Thus, would contain 3 moieties ( 2 Na < sup >+</ sup > and one SO < sub > 4 </ sub >< sup > 2 -</ sup >).

Ions with low charges, such as Na < sup >+</ sup > are very weak acids with almost imperceptible hydrolysis.

Examples of salts ( which are ionic compounds ) are magnesium chloride MgCl < sub > 2 </ sub >, which consists of magnesium cations Mg < sup > 2 +</ sup > and chloride anions Cl < sup >−</ sup >; or sodium oxide Na < sub > 2 </ sub > O, which consists of sodium cations Na < sup >+</ sup > and oxide anions O < sup > 2 −</ sup >.

When sodium ( Na ) and chlorine ( Cl ) are combined, the sodium atoms each lose an electron, forming cations ( Na < sup >+</ sup >), and the chlorine atoms each gain an electron to form anions ( Cl < sup >−</ sup >).

: Na + Cl → Na < sup >+</ sup > + Cl < sup >−</ sup > → NaCl

By impairing Na transport in the distal convoluted tubule, hydrochlorothiazide induces a natriuresis and concomitant water loss.

Following the departure of Mary Woronov from the series and the last-minute loss of originally cast Susan Kellerman, Babylon 5's casting director called her and unexpectedly offered her the role of Na ' Toth on the first season of the science-fiction series.

The chemical composition typical for fire clays are 23-34 % Al < sub > 2 </ sub > O < sub > 3 </ sub >, 50-60 % SiO < sub > 2 </ sub > and 6-27 % loss on ignition together with various amounts of Fe < sub > 2 </ sub > O < sub > 3 </ sub >, CaO, MgO, K < sub > 2 </ sub > O, Na < sub > 2 </ sub > O and TiO < sub > 2 </ sub >.

The events leading to hemolysis are still not well understood, but it seems that the lack of ATP impairs the Na +/ K +- ATPase and other ATP-dependent processes, leading to a cellular loss of K + and water and an intracellular accumulation of Na +.

This then causes the basolateral Na / K exchanger to more actively exchange Na for K, which is then passively secreted into the lumen through apical channels, resulting in K loss.

* Activation of renin-angiotensin-aldosterone system by the diuretic hypovolemia: body responds to hypovolemia by opposing diuresis, one effect of which is to produce aldosterone which stimulates the Na / K exchanger, resulting in further loss of potassium.

The Burmese loss of southern Lan Na ( Chiang Mai ) later proved to be the end of their 200-year rule.

On the other hand, Hsinbyushin's reign saw the loss of Lan Na, which the Burmese had controlled over two centuries.

When the posterior pituitary is intact, salt loss exceeds water loss, and the plasma Na + falls.

There are 30, 978 Irish speakers in the Gaeltacht, 11, 000 Irish speakers in the Gaeltacht Cois Fharraige and Conamara Theas area including the Aran Islands stretching from Na Forbacha to Carna and another 5, 000-7, 000 in North Connemara ( including the border area with County Mayo ) and approximately 4, 000 Irish speakers living in areas where the language is spoken by less than 30 % of the population.

Uto-Aztecan has the most speakers ( 1. 95 million ) if the languages in Mexico are considered ( mostly due to 1. 5 million speakers of Nahuatl ); Na – Dene comes in second with approximately 200, 000 speakers ( nearly 180, 000 of these are speakers of Navajo ), and Algic in third with about 180, 000 speakers ( mainly Cree and Ojibwe ).

The sodium equilibrium potential, on the other hand, E < sub > Na </ sub > is approximately + 40 mV with approximately 12 mM sodium inside and 140 mM outside .< ref group = note > Note that the sign of E < sub > Na </ sub > and E < sub > K </ sub > are opposite.

This line of reasoning led to the development of experiments ( by Akira Takeuchi and Noriko Takeuchi in 1960 ) that proved that acetylcholine-activated ion channels are approximately equally permeable to Na < sup >+</ sup > and K < sup >+</ sup > ions.

* sodium ion channel: Na < sup >+</ sup > is approximately + 55mV

The Na ' amân River is approximately 10 KM long, and flows from south to north, before emptying into the Mediterranean sea.

The investment of approximately $ 50, 000 in promotional funds to buy their own records worked for Mercury and " Na Na Hey Hey Kiss Him Goodbye " reached number one in the United States for two weeks in December 1969.

Thus the membrane potential will not be right at E < sub > K </ sub >, but rather depolarized from E < sub > K </ sub > by an amount of approximately 5 % of the 140 mV difference between E < sub > K </ sub > and E < sub > Na </ sub >.

If working at room temperature, about 21 C, the calculated constants are approximately 58 mV for K < sup >+</ sup > and Na < sup >+</ sup >,-58 mV for Cl < sup >-</ sup > and 29 mV for Ca < sup > 2 +</ sup >.

At physiological temperature, about 29. 5 C, and physiological concentrations ( which vary for each ion ), the calculated potentials are approximately 67 mV for Na < sup >+</ sup >,-90mV for K < sup >+</ sup >,-86 mV for Cl < sup >-</ sup > and 123 mV for Ca < sup > 2 +</ sup >.

The Battle of Blar Na Pairce, battle ( field ) of the park, in approximately 1486 saw the local MacKenzies, under their chief Kenneth MacKenzie, defeat a large invading force of MacDonalds.